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Linux - Virtualization and Cloud This forum is for the discussion of all topics relating to Linux Virtualization and Linux Cloud platforms. Xen, KVM, OpenVZ, VirtualBox, VMware, Linux-VServer and all other Linux Virtualization platforms are welcome. OpenStack, CloudStack, ownCloud, Cloud Foundry, Eucalyptus, Nimbus, OpenNebula and all other Linux Cloud platforms are welcome. Note that questions relating solely to non-Linux OS's should be asked in the General forum.

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Old 08-09-2011, 12:17 PM   #1
takayama
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centos vm problem with readonly


Hello
I have a centos 5.6 installed on a esx (4.1) host. Often the filesystem goes to readonly mode, and the only way i have found to fix it is rebooting. I have not found any pattern when the filesystem goes to readonly mode. Has anyone have any similar problem?
 
Old 08-10-2011, 07:17 AM   #2
dyasny
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FS remounting in readonly mode means there was a problem accessing storage. Check the ESX host logs
 
Old 08-10-2011, 07:43 AM   #3
takayama
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The strange this is that its only one of many linux vms that has this problem.
 
Old 08-11-2011, 10:36 AM   #4
karthickk02
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Hi,

As dyasny updated earlier if you the server goes to read only mode often then it should be issue related with your server HDD. Can you check the disk I/O on this server which you are having the issue.

If you haven't any data on this server can you please try re-create it.
 
Old 08-11-2011, 01:47 PM   #5
takayama
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We had problems again. This time more serious, it seem like not everything is right with the storage (crapy qnap storage).
From the esx log i see that apparently it looses connectivity sometime, just to get it back right after.
 
  


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